| 0 | 53123 | 12E0100008 | 'Humoreska' | Rhododendron hybr. | Czechoslovakia | | 6 | 12E0100008 ** |
| 1 | 53146 | 12E0100031 | 'Bernstein' | Rhododendron hybr. | Germany | | 6 | 12E0100031 ** |
| 2 | 53154 | 12E0100039 | 'Cunningham's White' | Rhododendron hybr. | United Kingdom | | 6 | 12E0100039 ** |
| 3 | 53169 | 12E0100054 | 'Holbein' | Rhododendron hybr. | Germany | | 6 | 12E0100054 ** |
| 4 | 53173 | 12E0100058 | 'Jewess' | Rhododendron caucasicum Pall. | Germany | | 6 | 12E0100058 ** |
| 5 | 53177 | 12E0100062 | 'Abendrot' | Rhododendron forrestii Balf. f. ex Diels subsp. forrestii | Germany | | 6 | 12E0100062 ** |
| 6 | 53178 | 12E0100063 | 'Lady Clermont' | Rhododendron catawbiense Michx. | United Kingdom | | 6 | 12E0100063 ** |
| 7 | 53182 | 12E0100067 | 'Madame Masson' | Rhododendron hybr. | France | | 6 | 12E0100067 ** |
| 8 | 53188 | 12E0100073 | 'Myrte' | Rhododendron hybr. | Germany | | 6 | 12E0100073 ** |
| 9 | 53189 | 12E0100074 | 'Nicoline' | Rhododendron hybr. | Germany | | 6 | 12E0100074 ** |
| 10 | 53190 | 12E0100075 | 'Ortrud' | Rhododendron catawbiense Michx. | Germany | | 6 | 12E0100075 ** |
| 11 | 53200 | 12E0100085 | 'Alaric' | Rhododendron hybr. | United Kingdom | | 6 | 12E0100085 ** |
| 12 | 53202 | 12E0100087 | 'Albert Schweitzer' | Rhododendron hybr. | Netherlands | | 6 | 12E0100087 ** |
| 13 | 53209 | 12E0100094 | 'Anton' | Rhododendron catawbiense Michx. | Germany | | 6 | 12E0100094 ** |
| 14 | 53211 | 12E0100096 | 'Arnim' | Rhododendron hybr. | Germany | | 6 | 12E0100096 ** |
| 15 | 53213 | 12E0100098 | 'August' | Rhododendron hybr. | Germany | | 6 | 12E0100098 ** |
| 16 | 53214 | 12E0100099 | 'Baden Baden' | Rhododendron forrestii Balf. f. ex Diels subsp. forrestii | Germany | | 6 | 12E0100099 ** |
| 17 | 53231 | 12E0100116 | 'Delta' | Rhododendron hybr. | Germany | | 6 | 12E0100116 ** |
| 18 | 53238 | 12E0100123 | 'Doktor h. c. Alexander Steffen' | Rhododendron hybr. | unknown | | 6 | 12E0100123 ** |
| 19 | 53240 | 12E0100125 | 'Doctor V. H. Rutgers' | Rhododendron hybr. | Netherlands | | 6 | 12E0100125 ** |
| 20 | 53241 | 12E0100126 | 'Duchess of York' | Rhododendron fortunei Lindl. subsp. fortunei | unknown | | 6 | 12E0100126 ** |
| 21 | 53243 | 12E0100128 | 'Effner' | Rhododendron hybr. | Germany | | 6 | 12E0100128 ** |
| 22 | 53248 | 12E0100133 | 'Erika' | Rhododendron brachycarpum D. Don ex G. Don | Germany | | 6 | 12E0100133 ** |
| 23 | 53256 | 12E0100141 | 'Florence Sarah Smith' | Rhododendron hybr. | unknown | | 6 | 12E0100141 ** |
| 24 | 53269 | 12E0100154 | 'H. Halven' | Rhododendron hybr. | unknown | | 6 | 12E0100154 ** |
| 25 | 53272 | 12E0100157 | 'Hassan' | Rhododendron catawbiense Michx. | Germany | | 6 | 12E0100157 ** |
| 26 | 53280 | 12E0100165 | 'Ibsen' | Rhododendron smirnowii Trautv. | unknown | | 6 | 12E0100165 ** |
| 27 | 53290 | 12E0100175 | 'Moses' | Rhododendron hybr. | Germany | | 6 | 12E0100175 ** |
| 28 | 53307 | 12E0100192 | 'Frau Martha Lentschke' | Rhododendron hybr. | Germany | | 6 | 12E0100192 ** |
| 29 | 53310 | 12E0100195 | 'Hero' | Rhododendron catawbiense Michx. | Germany | | 6 | 12E0100195 ** |
| 30 | 53312 | 12E0100197 | 'Kalinka' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 6 | 12E0100197 ** |
| 31 | 53314 | 12E0100199 | 'Breslau' | Rhododendron wardii W. W. Sm. | Germany | | 6 | 12E0100199 ** |
| 32 | 53324 | 12E0100209 | 'Von Oheimb - Woislowitz' | Rhododendron catawbiense Michx. | Germany | | 6 | 12E0100209 ** |
| 33 | 53341 | 12E0100226 | 'Royal Pink' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 6 | 12E0100226 ** |
| 34 | 53342 | 12E0100227 | 'Scharnhorst' | Rhododendron catawbiense Michx. | Germany | | 6 | 12E0100227 ** |
| 35 | 53349 | 12E0100234 | 'Scarlet Wonder' | Rhododendron forrestii Balf. f. ex Diels subsp. forrestii | Germany | | 6 | 12E0100234 ** |
| 36 | 53350 | 12E0100235 | 'Brigitte' | Rhododendron insigne Hemsl. & E. H. Wilson | Germany | | 6 | 12E0100235 ** |
| 37 | 53352 | 12E0100237 | 'Van Weerden Poelman' | Rhododendron hybr. | Netherlands | | 6 | 12E0100237 ** |
| 38 | 53356 | 12E0100241 | 'Catharine van Tol' | Rhododendron catawbiense Michx. | Netherlands | | 6 | 12E0100241 ** |
| 39 | 53362 | 12E0100247 | 'Goldrausch' | Rhododendron wardii W. W. Sm. | Germany | | 6 | 12E0100247 ** |
| 40 | 53366 | 12E0100251 | 'Herzas' | Rhododendron wardii W. W. Sm. | Germany | | 6 | 12E0100251 ** |
| 41 | 53372 | 12E0100257 | 'Vitalio' | Rhododendron fortunei Lindl. subsp. discolor (Franch.) D. F. Chamb. | Germany | | 6 | 12E0100257 ** |
| 42 | 53376 | 12E0100261 | 'Margret' | Rhododendron smirnowii Trautv. | Germany | | 6 | 12E0100261 ** |
| 43 | 53377 | 12E0100262 | 'Obergaertner Robenek' | Rhododendron hybr. | Germany | | 6 | 12E0100262 ** |
| 44 | 53379 | 12E0100264 | 'Hachmann's Ornament' | Rhododendron hybr. | Germany | | 6 | 12E0100264 ** |
| 45 | 53383 | 12E0100268 | 'Purple Splendour' | Rhododendron ponticum L. | United Kingdom | | 6 | 12E0100268 ** |
| 46 | 53385 | 12E0100270 | 'Redwood' | Rhododendron insigne Hemsl. & E. H. Wilson | Germany | | 6 | 12E0100270 ** |
| 47 | 53388 | 12E0100273 | 'Roselyn' | Rhododendron insigne Hemsl. & E. H. Wilson | Germany | | 6 | 12E0100273 ** |
| 48 | 53390 | 12E0100275 | 'Seestadt Bremerhaven' | Rhododendron insigne Hemsl. & E. H. Wilson | Germany | | 6 | 12E0100275 ** |
| 49 | 53393 | 12E0100278 | 'Van Der Hoop' | Rhododendron hybr. | Netherlands | | 6 | 12E0100278 ** |
| 50 | 53398 | 12E0100283 | 'Ammerland' | Rhododendron hybr. | Germany | | 6 | 12E0100283 ** |
| 51 | 53400 | 12E0100285 | 'Donar' | Rhododendron smirnowii Trautv. | Germany | | 6 | 12E0100285 ** |
| 52 | 53413 | 12E0100298 | 'Cheer' | Rhododendron catawbiense Michx. | United States | | 6 | 12E0100298 ** |
| 53 | 53414 | 12E0100299 | 'Hachmann's Constanze' | Rhododendron hybr. | Germany | | 6 | 12E0100299 ** |
| 54 | 53419 | 12E0100304 | 'Old Port' | Rhododendron catawbiense Michx. | United Kingdom | | 6 | 12E0100304 ** |
| 55 | 53421 | 12E0100306 | 'Queen Mary' | Rhododendron hybr. | Netherlands | | 6 | 12E0100306 ** |
| 56 | 53425 | 12E0100310 | 'Goerlitz' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 6 | 12E0100310 ** |
| 57 | 53426 | 12E0100311 | 'Rothenburg' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 6 | 12E0100311 ** |
| 58 | 53427 | 12E0100312 | 'Vater Boehlje' | Rhododendron hybr. | Germany | | 6 | 12E0100312 ** |
| 59 | 53433 | 12E0100318 | 'Hurricane' | Rhododendron hybr. | United States | | 6 | 12E0100318 ** |
| 60 | 53444 | 12E0100329 | 'Doktor Ernst Schaele' | Rhododendron forrestii Balf. f. ex Diels subsp. forrestii | Germany | | 6 | 12E0100329 ** |
| 61 | 53451 | 12E0100336 | 'Graefin Kirchbach' | Rhododendron forrestii Balf. f. ex Diels subsp. forrestii | Germany | | 6 | 12E0100336 ** |
| 62 | 53458 | 12E0100343 | 'Belkanto' | Rhododendron hybr. | Germany | | 6 | 12E0100343 ** |
| 63 | 53459 | 12E0100344 | 'Azurro' | Rhododendron hybr. | Germany | | 6 | 12E0100344 ** |
| 64 | 53460 | 12E0100345 | 'Hachmann's Felicitas' | Rhododendron hybr. | Germany | | 6 | 12E0100345 ** |
| 65 | 53462 | 12E0100347 | 'Rasputin' | Rhododendron hybr. | Germany | | 6 | 12E0100347 ** |
| 66 | 53463 | 12E0100348 | 'Polarnacht' | Rhododendron hybr. | Germany | | 6 | 12E0100348 ** |
| 67 | 53465 | 12E0100350 | 'Balalaika' | Rhododendron dichroanthum Diels subsp. scyphocalyx (Balf. f. & Forrest) Cowan | Germany | | 6 | 12E0100350 ** |
| 68 | 53466 | 12E0100351 | 'Tarantella' | Rhododendron hybr. | Germany | | 6 | 12E0100351 ** |
| 69 | 53476 | 12E0100361 | 'Sonare' | Rhododendron hybr. | Germany | | 6 | 12E0100361 ** |
| 70 | 53493 | 12E0100378 | 'Claudine' | Rhododendron hybr. | Germany | | 6 | 12E0100378 ** |
| 71 | 53494 | 12E0100379 | 'Parkfeuer' | Rhododendron hybr. | Germany | | 6 | 12E0100379 ** |
| 72 | 53498 | 12E0100383 | 'Ariel' | Rhododendron fortunei Lindl. subsp. discolor (Franch.) D. F. Chamb. | United Kingdom | | 6 | 12E0100383 ** |
| 73 | 53502 | 12E0100387 | 'Berlin' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 6 | 12E0100387 ** |
| 74 | 53503 | 12E0100388 | 'Bertha' | Rhododendron catawbiense Michx. | Germany | | 6 | 12E0100388 ** |
| 75 | 53506 | 12E0100391 | 'Blue Tit Magor' | Rhododendron impeditum Balf. f. & W. W. Sm. | United Kingdom | | 6 | 12E0100391 ** |
| 76 | 53507 | 12E0100392 | 'Bluebird' | Rhododendron hybr. | United Kingdom | | 6 | 12E0100392 ** |
| 77 | 53508 | 12E0100393 | 'Buketta' | Rhododendron hybr. | Germany | | 6 | 12E0100393 ** |
| 78 | 53509 | 12E0100394 | 'H. W. Sargent' | Rhododendron catawbiense Michx. | United Kingdom | | 6 | 12E0100394 ** |
| 79 | 53514 | 12E0100399 | 'Doctor Tjebbes' | Rhododendron hybr. | Netherlands | | 6 | 12E0100399 ** |
| 80 | 53523 | 12E0100408 | 'Francesca' | Rhododendron hybr. | United States | | 6 | 12E0100408 ** |
| 81 | 53526 | 12E0100411 | 'Gina Lollobrigida' | Rhododendron hybr. | Netherlands | | 6 | 12E0100411 ** |
| 82 | 53538 | 12E0100423 | 'Janet Blair' | Rhododendron hybr. | United States | | 6 | 12E0100423 ** |
| 83 | 53540 | 12E0100425 | 'Radiant' | Rhododendron hybr. | Netherlands | | 6 | 12E0100425 ** |
| 84 | 53559 | 12E0100444 | 'Pride of Cambridge' | Rhododendron hybr. | unknown | | 6 | 12E0100444 ** |
| 85 | 53562 | 12E0100447 | 'Professor J. H. Zaaijer' | Rhododendron catawbiense Michx. | Netherlands | | 6 | 12E0100447 ** |
| 86 | 53567 | 12E0100452 | 'Rosa Perle' | Rhododendron makinoi Tagg ex Nakai | Germany | | 6 | 12E0100452 ** |
| 87 | 53582 | 12E0100467 | 'Soir de Paris' | Rhododendron viscosum (L.) Torr. | Netherlands | | 6 | 12E0100467 ** |
| 88 | 53603 | 12E0100488 | 'Homebush' | Rhododendron hybr. | United Kingdom | | 6 | 12E0100488 ** |
| 89 | 53610 | 12E0100495 | 'Azurwolke' | Rhododendron hybr. | unknown | | 6 | 12E0100495 ** |
| 90 | 53614 | 12E0100499 | 'Spaetlese' | Rhododendron hybr. | unknown | | 6 | 12E0100499 ** |
| 91 | 53615 | 12E0100500 | 'Brunella' | Rhododendron hybr. | unknown | | 6 | 12E0100500 ** |
| 92 | 53631 | 12E0100516 | 'Doria' | Rhododendron brachycarpum D. Don ex G. Don | Germany | | 6 | 12E0100516 ** |
| 93 | 53634 | 12E0100519 | 'Koenigstein' | Rhododendron kiusianum Makino | *German Democratic Republic | | 6 | 12E0100519 ** |
| 94 | 53639 | 12E0100524 | 'Hachmann's Estrella' | Rhododendron hybr. | Germany | | 6 | 12E0100524 ** |
| 95 | 53652 | 12E0100538 | 'Goldflimmer' | Rhododendron hybr. | unknown | | 6 | 12E0100538 ** |
| 96 | 53664 | 12E0100550 | 'Bozena Nemcova' | Rhododendron yedoense Maxim. var. poukhanense (H. Lév.) Nakai | Czech Republic | | 6 | 12E0100550 ** |
| 97 | 53672 | 12E0100558 | 'Silvester' | Rhododendron hybr. | Netherlands | | 6 | 12E0100558 ** |
| 98 | 53687 | 12E0100606 | 'Morava' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 6 | 12E0100606 ** |
| 99 | 53698 | 12E0100802 | 'Olin O. Dobbs' | Rhododendron hybr. | Oregon, United States | | 6 | 12E0100802 ** |
| 100 | 53699 | 12E0100803 | 'Reve d'Amour' | Rhododendron viscosum (L.) Torr. | Netherlands | | 6 | 12E0100803 ** |
| 101 | 53705 | 12E0100809 | 'Bilderdijk' | Rhododendron hybr. | Belgium | | 6 | 12E0100809 ** |
| 102 | 53707 | 12E0100811 | 'Frank Galsworthy' | Rhododendron ponticum L. | United Kingdom | | 6 | 12E0100811 ** |
| 103 | 53709 | 12E0100813 | 'Germania' | Rhododendron hybr. | Germany | | 6 | 12E0100813 ** |
| 104 | 53712 | 12E0100816 | 'Madame Albert van Hecke' | Rhododendron kaempferi Planch. | Belgium | | 6 | 12E0100816 ** |
| 105 | 53713 | 12E0100817 | 'Multimaculatum' | Rhododendron ponticum L. | United Kingdom | | 6 | 12E0100817 ** |
| 106 | 53714 | 12E0100818 | 'Monsieur Marcel Menard' | Rhododendron hybr. | France | | 6 | 12E0100818 ** |
| 107 | 53716 | 12E0100820 | 'Bariton' | Rhododendron hybr. | Germany | | 6 | 12E0100820 ** |
| 108 | 53720 | 12E0100824 | 'Turkana' | Rhododendron hybr. | Germany | | 6 | 12E0100824 ** |
| 109 | 53726 | 12E0100830 | 'Hermine Seidel' | Rhododendron catawbiense Michx. | Germany | | 6 | 12E0100830 ** |
| 110 | 53727 | 12E0100831 | 'Goeteborg' | Rhododendron smirnowii Trautv. | Sweden | | 6 | 12E0100831 ** |
| 111 | 53728 | 12E0100832 | 'Moser's Maroon' | Rhododendron hybr. | France | | 6 | 12E0100832 ** |
| 112 | 53730 | 12E0100834 | 'Hachmann's Feuerschein' | Rhododendron hybr. | Germany | | 6 | 12E0100834 ** |
| 113 | 53732 | 12E0100836 | 'Dolcemente' | Rhododendron hybr. | Germany | | 6 | 12E0100836 ** |
| 114 | 53736 | 12E0100840 | 'Sarasate' | Rhododendron hybr. | Germany | | 6 | 12E0100840 ** |
| 115 | 53739 | 12E0100843 | 'Loket' | Rhododendron strigillosum Franch. | Czech Republic | | 6 | 12E0100843 ** |
| 116 | 53743 | 12E0100847 | 'Velka Morava' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 6 | 12E0100847 ** |
| 117 | 53751 | 12E0100855 | 'Blue Boy' | Rhododendron hybr. | Washington, United States | | 6 | 12E0100855 ** |
| 118 | 53757 | 12E0100861 | 'Karlstejn' | Rhododendron hybr. | Czech Republic | | 6 | 12E0100861 ** |
| 119 | 53760 | 12E0100864 | 'Kacina' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 6 | 12E0100864 ** |
| 120 | 53765 | 12E0100869 | 'Ignatius Sargent' | Rhododendron catawbiense Michx. | United Kingdom | | 6 | 12E0100869 ** |
| 121 | 53768 | 12E0100872 | 'Osmar' | Rhododendron williamsianum Rehder & E. H. Wilson | United Kingdom | | 6 | 12E0100872 ** |
| 122 | 53770 | 12E0100874 | 'Ursula Siems' | Rhododendron forrestii Balf. f. ex Diels | Germany | | 6 | 12E0100874 ** |
| 123 | 53771 | 12E0100875 | 'Opocno' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 6 | 12E0100875 ** |
| 124 | 53773 | 12E0100877 | 'Sovinec' | Rhododendron hybr. | Czech Republic | | 6 | 12E0100877 ** |
| 125 | 65600 | 12E0100882 | 'Klenova' | Rhododendron hybr. | Czech Republic | | 6 | 12E0100882 ** |
| 126 | 65823 | 12E0100883 | 'Rusalka' | Rhododendron decorum Franch. | Czechoslovakia | | 6 | 12E0100883 ** |
| 127 | 65857 | 12E0100890 | 'Kriemhild' | Rhododendron wardii W. W. Sm. | Germany | | 6 | 12E0100890 ** |
| 128 | 65863 | 12E0100891 | 'Mrs Philip Martineau' | Rhododendron hybr. | England, United Kingdom | | 6 | 12E0100891 ** |
| 129 | 66597 | 12E0100895 | 'Rotkaeppchen' | Rhododendron hybr. | Germany | | 6 | 12E0100895 ** |